CVE-2021-32574 json
Hashicorp Consul Missing SSL Certificate Validation
published 5y ago modified last mo. also BIT-consul-2021-32574 , EUVD-2021-1430 , GHSA-25gf-8qrr-g78r , GO-2022-0894
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
Patch / fix
- go github.com/hashicorp/consul 1.10.1
- bitnami consul 1.8.14, 1.9.8, 1.10.1
- hashicorp consul 1.8.14, 1.9.8, 1.10.1
- consul Arch Linux 1.9.8-1
arch linux advisories AVG-2171
Is CVE-2021-32574 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/hashicorp/consul | <1.10.1 |
1.10.1 |
| bitnami | consul | >=1.3.0, <1.8.14 >=1.9.0, <1.9.8 >=1.10.0, <1.10.1 |
1.8.14 1.9.8 1.10.1 |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
security.gentoo.org
/glsa/202208-09
vendor-advisory, web, third-party-advisory, advisory
-
hashicorp.com
/blog/category/consul
web, vendor-advisory, advisory
-
discuss.hashicorp.com
/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-nam
web, vendor-advisory, advisory
-
github.com
/hashicorp/consul/releases/tag/v1.10.1
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-32574
advisory, web
-
github.com
/advisories/GHSA-25gf-8qrr-g78r
advisory
Sources
- CVE List CVE-2021-32574
- GitHub Advisory GHSA-25gf-8qrr-g78r
- NVD CVE-2021-32574
- OSV BIT-consul-2021-32574
- OSV GO-2022-0894
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.